English
Related papers

Related papers: A remark for dynamic equations on time scales

200 papers

We introduce more general concepts of Riemann-Liouville fractional integral and derivative on time scales, of a function with respect to another function. Sufficient conditions for existence and uniqueness of solution to an initial value…

Classical Analysis and ODEs · Mathematics 2018-07-24 Kheira Mekhalfi , Delfim F. M. Torres

The main objective of the paper is to establish explicit estimates on some applicable inequalities in two variables on time scales which can be used in the study of certain qualitative properties of dynamical equations on time scales.

Analysis of PDEs · Mathematics 2015-06-19 Deepak B. Pachpatte

We first prove some weighted inequalities for compositions of functions on time scales which are in turn applied to establish some new dynamic Opial-type inequalities in several variables. Some generalizations and applications to partial…

Classical Analysis and ODEs · Mathematics 2016-05-31 Tran Dinh Phung

We discuss the use of inequalities to obtain the solution of certain variational problems on time scales.

Optimization and Control · Mathematics 2012-11-05 Martin J. Bohner , Rui A. C. Ferreira , Delfim F. M. Torres

This paper aims to introduce Halanay type inequalities on time scales. By means of these inequalities we derive new global stability conditions for nonlinear dynamic equations on time scales. Giving several examples we show that beside…

Classical Analysis and ODEs · Mathematics 2016-08-14 Murat Adıvar , Elvan Akın Bohner

The problem of existence of solutions to nabla differential equations and nabla differential inclusions on time scales is considered. Under a special form of the set-valued constraint map, sufficient conditions for the existence of at least…

Classical Analysis and ODEs · Mathematics 2012-07-23 Ewa Girejko , Delfim F. M. Torres

We introduce the definition of conformable derivative on time scales and develop its calculus. Fundamental properties of the conformable derivative and integral on time scales are proved. Linear conformable differential equations with…

Classical Analysis and ODEs · Mathematics 2018-01-09 Benaoumeur Bayour , Ahmed Hammoudi , Delfim F. M. Torres

This paper presents a collection of useful formulas of dynamic derivatives on time scales, systematically collected for reference purposes. As an application, we define trigonometric and hyperbolic functions on time scales in such a way the…

Classical Analysis and ODEs · Mathematics 2017-07-21 Delfim F. M. Torres

In this paper we obtain the estimates on some dynamic integral inequalities in three variables which can be used to study certain dynamic equations. We give some applications to convey the importance of our result.

Dynamical Systems · Mathematics 2016-03-31 Deepak B. Pachpatte

In this paper, some new integral inequalities on time scales are presented by using elementarily analytic methods in calculus of time scales.

Classical Analysis and ODEs · Mathematics 2013-11-05 Li Yin , Feng Qi

We establish some nonlinear integral inequalities for functions defined on a time scale. The results extend some previous Gronwall and Bihari type inequalities on time scales. Some examples of time scales for which our results can be…

Classical Analysis and ODEs · Mathematics 2009-06-11 Rui A. C. Ferreira , Delfim F. M. Torres

The discrete, the quantum, and the continuous calculus of variations, have been recently unified and extended by using the theory of time scales. Such unification and extension is, however, not unique, and two approaches are followed in the…

Optimization and Control · Mathematics 2011-09-30 Delfim F. M. Torres

Time scales are a model of time, where the continuous and the discrete time cases are considered and merged into the same framework. In this paper some basic definitions of the time scale calculus are presented. Simultaneously, a package in…

Classical Analysis and ODEs · Mathematics 2010-06-07 Artur M. C. Brito da Cruz , Helena Sofia Rodrigues , Delfim F. M. Torres

We introduce a fractional calculus on time scales using the theory of delta (or nabla) dynamic equations. The basic notions of fractional order integral and fractional order derivative on an arbitrary time scale are proposed, using the…

Classical Analysis and ODEs · Mathematics 2010-12-08 Nuno R. O. Bastos , Dorota Mozyrska , Delfim F. M. Torres

We revisit the canonical continuous-time and discrete-time matrix algebraic and matrix differential equations that play a central role in Lyapunov based stability arguments. The goal is to generalize and extend these types of equations and…

Optimization and Control · Mathematics 2009-10-13 John M. Davis , Ian A. Gravagne , Robert J. Marks , Alice A. Ramos

We exhibit an alternative method for solving inhomogeneous second--order linear ordinary dynamic equations on time scales, based on reduction of order rather than variation of parameters. Our form extends recent (and long-standing) analysis…

Classical Analysis and ODEs · Mathematics 2010-01-21 Douglas R. Anderson , Christopher C. Tisdell

We introduce a discrete-time fractional calculus of variations on the time scales $\mathbb{Z}$ and $(h\mathbb{Z})_a$. First and second order necessary optimality conditions are established. Some numerical examples illustrating the use of…

Classical Analysis and ODEs · Mathematics 2012-02-15 Nuno R. O. Bastos

The existence and analyticity of solutions to linear systems of moment differential equations with analytic coefficients is studied. The relation of solutions of such systems with respect to linear moment differential equations is…

Classical Analysis and ODEs · Mathematics 2025-01-09 Alberto Lastra

The role of differential equations in the process of calculating Feynman integrals is reviewed. An example of a diagram is given for which the method of differential equations was introduced, the properties of the inverse-mass-expansion…

High Energy Physics - Phenomenology · Physics 2021-07-23 A. V. Kotikov

This paper describes a new comparison principle that can be used for the comparison of space-time estimates for dispersive equations. In particular, results are applied to the global smoothing estimates for several classes of dispersive…

Analysis of PDEs · Mathematics 2012-11-14 Michael Ruzhansky , Mitsuru Sugimoto
‹ Prev 1 2 3 10 Next ›